Can-heading machine.



No. 665,397. Patented Ian. 8, 190i.

J. BRENZINGER.

CAN READING MACHINE. (Application filad Aug. 20. 1900.) (No Model.) 4 Sheets-Sheet I.

FIG. I.

THE NORRIS versus co. monxumou \vAsiuNm u, n cy I No. 665,397.

Patentd Jan. 8, [90L J. BBENZINGER.

CAN HEADING MACHINE.

(Application filed Aug. 20, 1900.;

4 Sheets-Shae! 2.

(No Model.)

' No. 665,397. Patented Ian. 3, mm,

J. BRENZINGER.

CAN HEADING MACHINE. (Application filed Aug. 20. 1900. (No Modelfi: 4 Sheets-Sheet 3.

m llllllllllilllllll l .1 I i WZ'Zizesses No. 665,397. Patented Ian. 8, |90l.

J. BRENZINGER.

CAN HEADING MACHINE. (Applicatiun filed Aug. 20. 1900.

(No Model.) 4 Sheets-Sheet 4.

m5 scams PETERS co FNOfO-LITNO. wAsnmowmow c UNITED STATES ATENT FFICE.

JULIUS BRENZINGER, OF NEW YORK, N. Y., ASSIGNOR TO MAX AMS, OF SAME PLACE.

CAN-HEADING MACHINE.

SPECIFICATION forming part of Letters Patent No. 665,397, dated January 8, 1901.

Application filed August 20, 1900. Serial No. 27,384:- (No model.)

To all whom it may concern.-

Be it known that I, J ULIUs BRENZINGER, a citizen of Germany, and a resident of New York city, county and State of New York, have invented an Improved Can-Heading Machine, of which the following is a specification.

This invention relates to an improved machine for securing can-heads to flanged canbodies, the machine being constructed with a view of securing the heads to square, irregular, and oblong as well as to round cans.

In the accompanying drawings, Figure l is a side elevation of my improved can-heading machine; Fig. 2, a front elevation thereof; Fig. 3, a side elevation, partly in section, of part of the machine, showing the stop mechanism for the worm-shaft; Fig. 4, a horizontal section on line 4: 4, Fig. 3, with parts omitted; Fig. 5, a horizontal section on line 5 5, Fig. 3; Fig. 6, an enlarged plan of the'seaming mechanism; Fig. 7, an elevation, partly in section, of Fig. 6; Fig. 8, a detail of lever d; Fig. 9, a detail of lever g; Fig. 10, a detail of the mechanism for setting the can-supporting platform in proper relation to the chuck which engages the can-head; Fig. 11, a detail of part of the canbody, showing it engaged by the platform and chuck; Fig. 12, a detail of part of a can-body, showing the seam made by the machine; and Fig. 13, a side elevation, partly in section, of a modification of the machine.

The letter a represents the frame of the machine, and a is the power-shaft, which transmits motion by belt on and pulley 0, to a shaft a This shaft carries at its lower end a chuck a which is of a shape to fit into the countersink formed in the can-head, the drawing Fig. 6 showing a chuck of oblong shape to fit the oblong countersink of an elongated can-head.

b is the can-supporting platform, arranged below chuck a and provided with a projection b, adapted to fit the countersink in the can-bottom. The spindle b of platform I) is stepped into a verticallymovable rod b which is cushioned, as at b and maybe raised and lowered by means of a hand-lever U, influenced by spring 17 and having an eccentric b, that engages a collar b connected to cushion b and sliding on rod 19 The shaft a carries a grooved cam c, similar in shape to the can-body and engaged by rollers (1' e, mounted on the free ends of auxiliary levers d e, fulcrumed upon sliding vertical rods d 6 To the levers d e are re- 'spectively pivoted at d e the main levers f g, carrying the seaming-rollers f g, which are so profiled that while the roller f forms a double lap-joint (upper part of Fig. 11) the roller g flattens such joint, Fig. 12. Each of the lovers f g is jointed, being provided with a pivoted shank f 9 carrying an antifriction-roller f 9 by means of which the lever may be pressed against the work in a manner hereinafter described. The proximity of the seaming-rollersto the work may be regulated by set-screws f g and stops f g which set the joint of the levers f g at difierent angles. The stop 9 of the seaming-roller g is provided with a cushion g, which permits the roller to ride freely over the side seam of the can-body.

By the construction thus far described the rotation of shaft a will by cam 0 cause the levers d e to be vibrated upon their fulcrums d e and the levers f g to be so moved as to follow the contour of the can. In order to press the seaming-rollers f g successively against the work during the vibration of the levers f g when the platform I) is raised, the following construction is employed: Upon the rods (1 e are mounted tapering collars d 6 adapted when raised to gradually bear against the rollers f giand to thus swing the levers f g and the seaming-rollers f g gradually inward.

Vertical motion is imparted to the rods d e by means of a pair of cams i h, mounted upon a cam-shaft j and engaging tap pets 01 e of rods 01 6 The cam-shaft j also carries a worm-wheel j, engaged by a worm j fast on a shaft j This shaft is driven intermittently from shaft a by belt 7' and a pulley 7' arranged to be coupled to shaft f by a clutch Upon the shaft j is furthermore mounted a disk It, having a notch in its periphery, which is adapted to be engaged by a roller is, hung in a yoke 10*, which is pivoted to the machine-frame at This yoke is operated from handle 19 by means of a rod 70, so as to withdraw the roller from the disk whenever the handle b is depressed and the table I) is raised. The movement of the rod 75 also permits a spring Z to couple pulley to the shaft 7' by means of a shifting lever Z and clutchcollar Z. 7

As thus far described the operation is as 'follows: The can-body A, with the can-head A superposed, is placed upon the platform I), so that the projection '71 fits into the recess of the can-bottom. The handle b is now depressed to raise the platform I) and to simultaneously couple shaftj to the power-shaft a" by swinging the yoke backward and permitting spring Z to set the shifting lever Z, this backward motion of the yoke also withdrawing roller 70 from the notch in disk 7s. The shaftj will by worm and worm-wheel j rotate cam-shaftj to rotate disk 70 and the cams i h, of which the cam i is set in advance of cam 7L. As the roller is revolves over the periphery of the rotary disk It it holds the platform Z) in its elevated position by means of rod 70 and lever b. The cams f h will successively raise the rods (1 6 which by tapering collars (1 6 will swing the free ends of the levers f g inward, so as to press the seaming-rollers consecutively against the work. As the shaft a is continuously driven the levers f Q will by cam c and intermediate levers d e be made to follow the contour of the can, so that as the latter is rotated by chuck (If Wile seaming-rollers will always closely hug the can to successively form and flatten the seam. hen the shaft j has made a complete rotation and the tappets (l e have cleared the cams 2' h, the rods (1 6 will descend by gravity, assisted, if desired, by springs d e, so that the cones d a will release the leversfg and the latter will be swung outward by means of springs f g to clear the work. At the same time the disk It will have completed a full rotation, and the roller 70 will be drawn into the notch of said disk by spring 13 of lever 1) to cause the vibration of lever 12 and. the descent of platform I). The movement of yoke k in which roller it is hung, also shifts the clutch-lever Z to uncouple the pulleyj from shaftj and to thus arrest the shaft and the mechanism for pressing the seaming-rollers inward. Thus it will be seen that all the parts are returned to their normal position and that the machine is ready to receive a fresh can-body.

The machine thus far described is well adapted for seaming round cans,for with them the relative position of the projection Z) and chuck a is unimportant. With oblong or square cans, however, it is necessary that the parts I) a extend exactly in the same direction horizontally when a can is clutched between them, for were they out of alinement one of these parts would not properly engage the oblong recess of the can-head. Owing to the great rapidity with which the machine is driven, it is of importance that the position of the chuck and platform be automatically regulated so that an accurate engagementis obtained and also that the platform and chuck will be driven in unison. The construction for carrying this result into effect is as follows: To the chuck a is secured a geanwheel m, which by wheels m m rotates a Vertical shaft n. This shaft carries a dog or collar 11, having a depending finger n Below the dog 41 the shaft 11 is loosely surrounded by the hub of a gear-wheel 19, having an upwardlyextending finger 1), that when raised is radially in the path of the finger 71 The wheel p is adapted to drive, by means of wheels p 193, the spindle b of platform I), the train of wheels 19 19 19 being supportedby a bracket b projecting laterally from rod b As the platform 1) is raised in the manner hereinbefore described the fingerp will be projected into the path of the finger M, Fig. 10, before the collars c d engage the leversfg. The fingers 19 n are so set that when they come in contact with each other the chuck a. and projection b will be brought into parallelism, so as to coincide with the recesses of the canheads. The platform I) will not be rotated until the finger p is engaged by the finger 01 but when this engagement is effected and the platform has thus been properly set it will be rotated from the shaft a by gearing m m at, shaft n, (log n, fingers n 1), gearing p 27 19 and spindle 11 Thus the platform is first set to correspond to the chuck, and then both the platform and chuck will be intergeared, so as to rotate in harmony while the work is subjected to the action of the seaming-rollers. As soon as the seaming rollers have performed their work and the platform I) has descended its rotation will be arrested, owing to the lowering of finger p beneath the level of finger M, Fig. 3, and a new can-body may be placed in position.

The modification illustrated in Fig. 13 is designed for heading large cans. Here the chuck a is at rest when the can is set upon the platform, and the adjustment between platform and chuck is made by hand, so that the automatic platform-setting mechanism is entirely dispensed with. The pulleyq, which drives the shaft a is loose on shaft a. Its shifting leverq is operated by rod (1 having roller which engages a cam fast on camshaft j. When the lever b is swung down to raise platform I), the pulley f is coupled to shaft j in a manner hereinbefore specified, and the shaft j will then rotate shaft j and cam g to couple pulley q to shaft a. This will rotate chuck a which in turn rotates the can-body,together with the platform. When the seaming operation is completed and the platform I) has descended, the cam will have made a complete rotation, and a spring will draw the shifting lever q forward to uncouple pulley q from shaft a and arrest the machine.

What I claim is- 1. In a can-heading machine, a rotatable and vertically-movable platform, a rotatable chuck, a cam, a pair of auxiliary levers engaging the same,'a pair of main levers pivoted to the auxiliary levers, seaming-rollers carried by the main levers, means for turning the main levers, and means for raising the platform and for simultaneously starting the means for turning the main levers, substantially as specified.

2. In a can-heading machine, a cam, a pair of auxiliary levers engaging the same, a pair of main levers pivoted to the auxiliary levers, seaming-rollers carried by the main levers, a pair of vertically-movable rods having tappets, conical collars on said rods adapted to engage the main levers, and a cam shaft adapted to successively operate the rods, substantially as specified.

8. In a can-heading machine, a cam, a pair of auxiliary levers engaging the same, a pair of main levers pivoted tothe auxiliary levers, seaming-rollers carried by the main levers, a pair of vertically-movable rods having tappets, conical collars on said rods adapted to engage the main levers, a cam-shaft adapted to successively operate the rods, a rotatable platform, and means for simultaneously raisin g said platform and actuating the cam-shaft, substantially as specified.

4. In a can-heading machine, a seamingroller, a jointed lever to which said roller is pivoted, a set-screw and a stop for adjusting the angle of said lever, and a cushion carried by the stop, substantially as specified.

5. In a can-heading machine, the combination of a chuck, with an upper finger rotatable therewith, a vertically-movable rotatable platform, and a lower finger rotatable with said platform, all being so constructed that the lower finger is radially in the path of the upper finger when the platform is raised, and clears said upper finger when the platform is lowered, substantially as specified.

6. In a can-heading machine the combination of a vertically-movable and rotatable platform with a train of gear-wheels, one of which has an upwardly-extending finger, a shaft passing loosely through said wheel, a dog having a depending finger mounted upon the shaft, and means for rotating said shaft, substantially as specified.

7. In a can-heading machine, the combination of the following elements: a drivingshaft, a worm shaft intermittently driven thereby, a cam-shaft adapted to be driven by the Worm-shaft, a pair of cams mounted thereon, a pair of verticallymovable rods actuated by the cams, tapering collars fitted upon the rods, main levers adapted to be engaged by the collars, seaming rollers secured to the main levers, auxiliary levers to which the main levers are pivoted, and a cam for actuating the auxiliary levers, substantially as specified.

Signed by me at New York city, New York, this 18th day of August, 1900.

JULIUS BRENZINGER.

Witnesses:

F. v. BRIESEN, JOHN BECKER. 

